W1: S1 - The Bony Skull General Features Flashcards

1
Q

What is the most common type of joint in the skull?

A

Sutural (fibrous)

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2
Q

What are the three divisions of the bony skull?

A
  • The neurocranium
  • The facial skull (viscera cranium)
  • Mandible
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3
Q

What are the three parts of a skull bone?

A
  • Periosteum
  • Compact (cortical) bone
  • Spongy (trabecular) bone
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4
Q

Which part of the skull bone houses red marrow?

A

Trabecular bone

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5
Q

Identify the coloured parts

A
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6
Q

Identify the labels

A
  1. Frontal bone
  2. Parietal bone
  3. Occipital bone
  4. Temporal bone
  5. Sphenoid bone
  6. Zygomatic bone
  7. Mandible
  8. Maxilla
  9. Vomer (inf. nasal concha)
  10. Nasal bone
  11. Lacrimal bone
  12. Ethmoid bone
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7
Q

What is this and which bones form it?

A
  • Coronal Suture
    • Frontal and Parietal
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8
Q

What is this and which bones form it?

A
  • Lambdoid
    • Parietal and Occipital
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9
Q

What is this and which bones form it?

A
  • Occipitomastoid suture
    • Occipital and temporal (mastoid part)
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10
Q

Identify the sagittal suture and what bones form it

A
  • 2
    • Left and Right Parietal bone
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11
Q

What type of bones is the facial skull (viscera cranium) made up of?

A

Irregular bones

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12
Q

Which bones form the zygomatic arch?

A
  • Temporal
  • Zygomatic
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13
Q

Which bone is the styloid process part of?

A

Temporal

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14
Q

Where is the mastoid process?

A

Temporal

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15
Q

Which bone are the occipital condyles a part of?

A

Occipital

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16
Q

What are the three fossae that divide up the floor of the skull?

A
  • Anterior cranial fossa
  • Middle cranial fossa
  • Posterioir cranial fossa
17
Q

Study the diagram of the sphenoid bone and look for

  • Greater wing
  • Lesser wing
  • Pituitary fossa
  • Body
A
18
Q

Identify the different foramina and structures in the base of the skull

A
19
Q

Identify the formina of the skull

A
20
Q

What structures pass through the foramen magnum?

A
  • Spinal cord
  • Right and Left vertebral arteries

Also

  • Meninges
  • Anterior and Posterior spinal arteries
  • CNXI
  • Dural veins
21
Q

What are the three ear ossicles?

A
  • Malleus
  • Incus
  • Stapes
22
Q

Which part of the temporal bone houses the ear ossicles?

A

Petrous part of the temporal bone